Martin Kelly Books

Parents Book of Baby Names Parents Baby and Childcare Series

By Martin Kelly

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A Wild Goose Chase Word Advantage 220

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I m Buildin Me a Robot An Amazing Pull The Ribbon Book

By Martin Kelly

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Everything American Presidents Book All You Need to Know About the Leaders Who Shaped U.S. History Everything Travel and History

By Martin Kelly, Melissa Kelly

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The ants came marching...

By Martin Kelly

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Ants march by an assortment of animals in increasingly larger rows.

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.